2 radio tubes 6N8S with a metal base, matched in pairs = 1 LOT

6N8S double triode with an indirect oxide cathode, in glass design, designed to amplify low frequency voltage.

Tube is tested with professional tube Tester L3-3

The main technical characteristics of 6N8S:

• Filament voltage: 6.3 ±0.6V
• Filament current: 600 ± 50mA
• Anode voltage nominal: 250V
• Anode voltage limit: 330V
• Grid voltage nominal: -8V
• Anode current: 9 ± 3.5mA
• The highest power dissipated on the anode of the triode: 2.75W
• The highest constant voltage between the cathode and the heater: 100V
• Maximum leakage current between cathode and heater: 20μA
• Slope: 2.6 ± 0.53mA/V
• Internal resistance: 7.7kOhm
• Gain: 20.5 ± 2.5
• The highest cathode current: 20mA
• The highest resistance in the circuit of the first grid: 500kOhm